Speaker



FIG. 1 is a front, top, and left side perspective view of a speaker;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front and left side perspective view thereof, in an extended position;

FIG. 9 is a front elevational view thereof, in an extended position;

FIG. 10 is a rear elevational view thereof, in an extended position;

FIG. 11 is a right side elevational view thereof, in an extended position; and,

FIG. 12 is a left side elevational view thereof, in an extended position.

The broken lines in the drawings show environmental features only and form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 